| Summer Olympic City Bids | 0 | - | 4.94 | 42,483 |
| North American Sports Cities | 0 | - | 4.83 | 172,925 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,907 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,642 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,333 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,959 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,889 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,787 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,975 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,906 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,772 |
| Countries by Capital City | 0 | - | 5.00 | 69,053 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,630 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,039 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,621 |
| Moved Capital Cities | 0 | - | 4.96 | 74,517 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,034 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,657 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,647 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,269 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,777 |
| Name a City - European Countries | 0 | - | 4.90 | 65,931 |
| Cities by Former Name | 0 | - | 4.83 | 91,888 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,946 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,874 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,594 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,871 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,607 |
| World Capitals by Map | 0 | - | 5.00 | 288,520 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,665 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,018 |
| Random Country to Capital | 0 | - | 4.98 | 925,305 |
| Capitals Starting With H | 0 | - | 4.91 | 92,902 |
| Capitals Starting With K | 0 | - | 4.88 | 83,956 |
| Capitals Starting With L | 0 | - | 4.81 | 88,409 |
| Capitals Starting With M | 0 | - | 4.93 | 108,386 |
| Capitals Starting With P | 0 | - | 4.88 | 78,528 |
| Capitals Starting With R | 0 | - | 4.88 | 82,125 |
| Capitals Starting With S | 0 | - | 4.90 | 86,119 |
| Capitals Starting With T | 0 | - | 4.85 | 76,456 |
| Capitals Starting With W | 0 | - | 4.87 | 91,483 |
| Capitals Starting With A | 0 | - | 4.97 | 128,538 |
| Capitals Starting With B | 0 | - | 4.89 | 118,932 |
| Capitals Starting With D | 0 | - | 4.93 | 96,805 |
| Olympic Host Countries | 0 | - | 4.98 | 201,549 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,400 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,295 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,616 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,027 |
| American Cities by Stadium | 0 | - | 4.02 | 36,571 |
| City by Football Clubs | 0 | - | 4.38 | 138,263 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,208 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,234 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,695 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,770 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,477 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,408 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,620 |
| Former Capitals | 0 | - | 4.88 | 71,599 |
| Europe Capital to Country | 0 | - | 4.99 | 251,527 |
| Asia Capital to Country | 0 | - | 4.96 | 127,160 |
| Capital Cities Chain | 0 | - | 4.84 | 83,171 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,632 |
| European Capitals by Map | 0 | - | 4.99 | 141,348 |
| African Capitals by Map | 0 | - | 4.99 | 141,318 |
| Coldest World Capitals | 0 | - | 4.95 | 134,056 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,556 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,619 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,969 |
| European Coastal Capitals | 0 | - | 4.95 | 91,074 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,066 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,704 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,249 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,048 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,949 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,339 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,919 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,533 |
| Ancient City to Country | 0 | - | 4.70 | 108,245 |
| Official Cities in the UK | 0 | - | 4.89 | 285,410 |
| City-States | 0 | - | 4.53 | 37,361 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,435 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,768 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,144 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,234 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,187 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,577 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,690 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,270 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,033 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,810 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,423 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,957 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,385 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,804 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,514 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,236 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,798 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,071 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,726 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,446 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,381 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,457 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,369 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,761 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,774 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,632 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,434 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,275 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,277 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,565 |
| The Only Country ... | 0 | - | 4.91 | 81,652 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,613 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,186 |
| Boundary Waters | 0 | - | 4.92 | 88,669 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,332 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,485 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,057 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,792 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,961 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,565 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,585 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,418 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,180 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,595 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,686 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,314 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,576 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,305 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,439 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,823 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,300 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,218 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,081 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,702 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,433 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,385 |
| Cities by Airports | 0 | - | 4.47 | 103,724 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,266 |
| Cities Chain #2 | 0 | - | 4.42 | 56,470 |
| Cities Chain #1 | 0 | - | 4.61 | 66,755 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,276 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,307 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,021 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,226 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,241 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,231 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,452 |
| Capitals Starting With N | 0 | - | 4.80 | 51,472 |
| Capitals Starting With V | 0 | - | 4.79 | 38,411 |
| Capitals Starting With C | 0 | - | 4.78 | 98,444 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,734,085 |
| Landlocked Countries | 0 | - | 4.99 | 423,839 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,843 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,498 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,654 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,830 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,524 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,888 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,887 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,143 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,945 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,440 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,274 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,317 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,686 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,967 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,099 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,709 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,456 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,983 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,788 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,843 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,750 |
| Random European Capital to Country | 0 | - | 4.98 | 191,809 |
| Random European Country to Capital | 0 | - | 4.93 | 165,657 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,871 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,253 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,600 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,467 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,948 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,234 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,821 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,219 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,711 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,734 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,262 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,462 |
| Cities with the Same Name | 0 | - | 3.94 | 36,711 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,828 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,428 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,000 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,581 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,426 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,182 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,498 |
| Cities in European History #1 | 0 | - | 4.63 | 134,428 |
